Pretzel



FIG. 1 is a perspective view of a pretzel showing my new design;

FIG. 2 is a top plan view thereof, the bottom plan view being identical;

FIG. 3 is a right side elevational view thereof, the left side being identical;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a pretzel, as shown and described. 